69f3193586d119364856974fa6b380eb7ee4806c1505a28cb4007379155edba6

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 06:00

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General

Target

2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe
Size

126KB
MD5

6a965c16e9013fff58f304996521f95a
SHA1

11cad48ec0dd9bba2e9e2599c60bbea71402457a
SHA256

69f3193586d119364856974fa6b380eb7ee4806c1505a28cb4007379155edba6
SHA512

d8b1ced8ca6d295d9eaf16ccfb63c43f9bc751d8e00cc66d0e3647aecaf0a3b3a03ec43abfd04266a4afb9c38ef1a168c9abbaa9b08d68aae6ef96be71f062bc
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//LITd:vCjsIOtEvwDpj5H9YvQd2RU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000016898-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000016898-12.dat	CryptoLocker_set1

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Control Panel\International\Geo\Nation	2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2912	misid.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 2912	732	2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe	93
PID 732 wrote to memory of 2912	732	2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe	93
PID 732 wrote to memory of 2912	732	2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe	93

C:\Users\Admin\AppData\Local\Temp\2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:732
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2912

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4412,i,4190291444332669241,12594774403502447104,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:8
1⤵
PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
127KB

MD5
e5eb837293e0359f22c96b9c81b48621

SHA1
334c8eac903ff0a32f0634746bdef940e539351d

SHA256
c040238a6c83ee9faa7f2a8f458f56afb8594a2d46efc577de9a9dd475c415b4

SHA512
04638b47099c1ba226b587ceafce9b6a7b0b6515f7a86c1292e15d0a0d692c3d5d8914592b641b46c46485e558ad730b9cdc0f935371840a1ca90c2fdbe59c15

Download Submit
memory/732-0-0x0000000002290000-0x0000000002296000-memory.dmp

Filesize
24KB

Download
memory/732-1-0x0000000002290000-0x0000000002296000-memory.dmp

Filesize
24KB

Download
memory/732-2-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/2912-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2912-18-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download